package com.nowcoder.community.util;

import org.springframework.stereotype.Component;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;


public class CookieUtil {

    public static String getValue(HttpServletRequest request,String name){
        if(request==null || name==null){
            throw new IllegalArgumentException("参数为空");
        }

        Cookie[] cookies = request.getCookies();
        if(cookies!=null){
            for (Cookie cookie : cookies) {
                if(cookie.getName().equals(name)){
                    return cookie.getValue();
                }
            }
        }
        return null;
    }
}
